<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>hello</title>
</head>
<body>
    <div id="heima43">
        <h2>今天是{{rq}}号，今天天气不错,温度{{tmpla}}</h2>
    </div>

    <script src="./node_modules/vue/dist/vue.js"></script>
    <script>
        var app = new Vue({
            el:"#heima43",
            data:{
                rq:"5.20",
                tmpla:"26℃"
            }
        });
    </script>
</body>
</html>